/*
 * Copyright 2009 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.chrome.gwt.client;

/**
 * A component of a chrome extension that has its own document and window
 * context. Its window context is accessible as a {@link View} via extensions
 * API.
 */
public abstract class ViewComponent implements Component {
  private View view;

  public View getView() {
    return view;
  }

  /**
   * Implement this method to be called when the extension is ready to use.
   */
  public abstract void onLoad();

  protected native void connect(String name) /*-{
    var self = this;
    window[name] = function(view) {
      self.
      @com.chrome.gwt.client.ViewComponent::connectImpl(Lcom/chrome/gwt/client/View;)
      (view);
    };
  }-*/;

  @SuppressWarnings("unused")
  private void connectImpl(View view) {
    this.view = view.cast();
    onLoad();
  }
}
